How to adjust Apple's 5s night photo mode?

Step 1: Open the settings in Apple's mobile phone interface, as shown in the following figure:

Step 2: Open GM in the setting interface of Apple mobile phone, as shown in the following figure:

Step 3: Open the auxiliary function in the common interface, as shown in the following figure:

Step 4: Turn on the reverse color in the auxiliary function interface, as shown in the following figure: